| Barton upon Humber to Smolyan | 1,426.39 mi (2,295.56 km) |
| Barton upon Humber to Sofia | 1,322.33 mi (2,128.08 km) |
| Barton upon Humber to Sopot | 1,377.62 mi (2,217.07 km) |
| Barton upon Humber to Sozopol | 1,500.63 mi (2,415.03 km) |
| Barton upon Humber to Sredets | 1,484.45 mi (2,388.99 km) |
| Barton upon Humber to Stamboliyski | 1,393.83 mi (2,243.16 km) |
| Barton upon Humber to Stara Zagora | 1,421.61 mi (2,287.86 km) |
| Barton upon Humber to Svilengrad | 1,473.55 mi (2,371.44 km) |
| Barton upon Humber to Svishtov | 1,356.50 mi (2,183.07 km) |
| Barton upon Humber to Targovishte | 1,420.22 mi (2,285.62 km) |
| Barton upon Humber to Teteven | 1,347.09 mi (2,167.93 km) |
| Barton upon Humber to Troyan | 1,365.57 mi (2,197.67 km) |
| Barton upon Humber to Tryavna | 1,395.97 mi (2,246.60 km) |
| Barton upon Humber to Tutrakan | 1,386.65 mi (2,231.60 km) |
| Barton upon Humber to Varna | 1,473.39 mi (2,371.19 km) |
